Touching your toes may be more important than you know. Adults often complain of stiff joints and poor flexibility. The painful movement of joints – associated with a diet lacking in certain nutrients, and from overexertion of the joint – can cause everyday tasks to seem insurmountable chores. And as the definition in the government encyclopedia website states “joint pain can be caused by many types of injuries or conditions. No matter what causes it, joint pain can be very bothersome.”